Weight of Neutron & Hydrogen Subscript 2

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    Neutron Weight
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SUMMARY

The weight of a neutron is approximately 1.675 × 10-27 kg. The weight of deuterium (hydrogen isotope H2 with one neutron) is 2.014102 u, while tritium (H3, with two neutrons) weighs 3.0160492 u. The unified atomic mass unit (u) is defined as 1.660538921(73) × 10-27 kg. For detailed information, refer to the relevant Wikipedia articles on Tritium, Deuterium, and the Unified Atomic Mass Unit.

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  • Understanding of atomic mass units (u)
  • Basic knowledge of isotopes, specifically deuterium and tritium
  • Familiarity with scientific notation and measurements
  • Access to reliable scientific resources, such as Wikipedia
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CloudChamber
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Hello all,
Does anyone know the weight of a neutron? Or, better yet, does anyone know offhand the weight of hydrogen subscript 2 (hydrogen isotope with two neutrons)?
Thanks!
 
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CloudChamber said:
Hello all,
Does anyone know the weight of a neutron? Or, better yet, does anyone know offhand the weight of hydrogen subscript 2 (hydrogen isotope with two neutrons)?
Thanks!

To clarify notation:

H1 = ordinary hydrogen (no neutrons)
H2 = deuterium (one neutron)
H3 = tritium (two neutrons)
 
Oh, oops! Looks like I had a discrepancy between the subscript and neutron number. I did mean tritium, but I'd be curious to know the weight of deuterium (the real H2) as well.
 
CloudChamber said:
Oh, oops! Looks like I had a discrepancy between the subscript and neutron number. I did mean tritium, but I'd be curious to know the weight of deuterium (the real H2) as well.

those wikipedia articles have the answer
 
Great. I'll take a look.
 
Really, you should try to look this kind of information up yourself.
 

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